Wegener UNITY 4600 User Manual page 15

Characteristic
Switched RF Inputs
Input Impedance
Isolation, port-to-port
Input VSWR, 75-
Input VSWR, 75-
RF Tuning
Demodulator/FEC
LNB DC Power
RF Input
Input Impedance
Input VSWR, 75-
Surge Resistance
RF Tuning
Input Frequency Range
LO Leakage at Input
Symbol-rate Range
Tuning Resolution
Input Signal Level Range
Signal Level Warning Limits
Maximum Aggregate Input Power
Demodulator/FEC
Modulation
Carrier acquisition range
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Table 1.2: Transport-In Options
DVB-QPSK Receiver with 4-Port RF Switch Option
75
> 45 dB, 950-1450 MHz
> 40 dB, 1450-2150 MHz
system, selected port < 2.6:1 (7 dB R.L. min), 950-1450 MHz
Not guaranteed, 1450-2150 MHz
system, unselected port < 2.0:1 (10 dB R.L min), 950-1450 MHz
Not guaranteed, 1450-2150 MHz
Same as QPSK option described above
Same as QPSK option described above
Supplied on separate 2-pin header. Performance otherwise the same
as QPSK option described above
Turbo PSK Receiver Option, Broadcom Protocols
75
system <1.9:1 (10 dB R.L. min), 950-1450 MHz
< 1.9:1 (10 dB R.L. min), 1450-2150 MHz
Guaranteed survival from up to 10 direct-coupled 8kV discharges (per
IEC 801-2) whether port is selected or not
950 to 2150 MHz
1 to 30 Msps (may be limited by Transport Rate limits)
10 kHz
-25 to -65 dBm
warns within +10/-5 dB of upper limit and +5/-10 dB of lower limit
0 dBm max
1. DVB-QPSK ( =.35) per EN 300 421
2. Advanced "Turbo-QPSK" ( =.20 default; R=½, ¾) per Broadcom
3. Advanced "Turbo-8PSK" ( =.20 default; R=2/3, 5/6, 8/9) per
4. Advanced "Turbo-16QAM" ( =.20 default; R=¾) per Broadcom
±1 MHz or ± 10% of symbol-rate QPSK, whichever is greater
Specification
unbalanced
unbalanced
-60 dBm
proprietary protocol
Broadcom proprietary protocol. [R=¾ Type I and II; contact
factory.]
proprietary protocol
7
Unity 4600 User's Manual
800032-01 Rev. F